When an aquarist makes the decision to introduce catfish into the community aquarium or to set-up an aquarium dedicated to a group of catfish, understanding the needs of these fish is a must. Catfish are a large group of fishes that are regarded by most as a single order called Siluriformes (sometimes called Nematognathi). Others place them as a suborder, Siluroidei, of the … [Read more...] about Catfish: Understanding These Scavengers